Study on Soybean Resistance to Aphids
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Soybean is the principal oil-producing crop in Liaoning Province and northeast of China. Soybean aphid (Aphis Glycines Matsmura) is a common insect pest and occurs almost every year. Aphid damage causes shrinking of young leaves, hampering of roots, dwarfing of stems and leaves, and reduction of pod and kernel numbers in the soybean plant. More than half of yield is lost in a severely damaged field. It is becoming one of the most important constraints to stable and high soybean yield. At present, spraying chemical insecticide is the major method for aphid control. Although it has taken effect, it requires numerous manpower, material and financial resources every year. Furthermore, it causes environmental pollution, is poisonous to people and animals, and injurious to natural enemies of soybean aphid. Pest resistance to constantly used chemical pesticides will reduce control efficiency and will cause an outbreak of pests again. In 1951, Painter, an American scientist, suggested the theory of plant resistance to insect pests after analyzing a large amount of research data, and he aroused the interest of scientists in different countries. Selection and breeding for plant resistance to insects have become basic modes of integrated pest control presently and for the future. From 1979 to 1985, Guo et al. successfully identified the resistance of soybeans to aphids and obtained a quantity of source material. On the basis of that work, this study on plant resistance to aphids was developed.
Originating text in Chinese.
Citation: He, Fugang, Liu, Xiaodong, Yan, Fanyue, Wang, Yanqin. (1995). Study on Soybean Resistance to Aphids. Liaoning Agricultural Science, 4, 30-34.
Originating text in Chinese.
Citation: He, Fugang, Liu, Xiaodong, Yan, Fanyue, Wang, Yanqin. (1995). Study on Soybean Resistance to Aphids. Liaoning Agricultural Science, 4, 30-34.
